

import  math
if __name__=="__main__":
    print("-"*30)
    a1=math.asin(0.5)
    a1=a1*180/math.pi
    print(a1)
    print(math.pi)
    print(math.e)
    print(math.sin(0.6))
    print(math.cos(0.6))
    print(math.tan(0.6))
    print(math.sqrt(9))#9**0.5
    print(math.log2(10))
    #print(math.log(101))
    print(math.fabs(-10.1))
    print(math.ceil(-11.2))# -11